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Finding the Fourth Proportional to 288,897.30, 432,827.55 and 247,425.30

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Solution

The fourth proportional to 288,897.30, 432,827.55 and 247,425.30 is: 370,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,897.30 : 432,827.55 = 247,425.30 : x
  2. Step 2: Convert to fraction form
    288,897.30/432,827.55 = 247,425.30/x
  3. Step 3: Cross multiply
    288,897.30x = 432,827.55 × 247,425.30
  4. Step 4: Simplify right side
    288,897.30x = 107,092,486,407.02
  5. Step 5: Solve for x
    x = 107,092,486,407.02/288,897.30
  6. Step 6: Final answer
    x = 370,693.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.